matlab - resueltos - Matriz de visualización con etiquetas de fila y columna

llenar un vector en matlab

Question

¿Hay una forma conveniente de mostrar una matriz con etiquetas de fila y columna en el terminal de Matlab? Algo como esto:

M = rand(5);
displaymatrix(M, {''FOO'',''BAR'',''BAZ'',''BUZZ'',''FUZZ''}, ...
                 {''ROW1'',''ROW2'',''ROW3'',''ROW4'',''ROW5''});    %??

flexible:

        FOO       BAR       BAZ       BUZZ      FUZZ
ROW1    0.1622    0.4505    0.1067    0.4314    0.8530
ROW2    0.7943    0.0838    0.9619    0.9106    0.6221
ROW3    0.3112    0.2290    0.0046    0.1818    0.3510
ROW4    0.5285    0.9133    0.7749    0.2638    0.5132
ROW5    0.1656    0.1524    0.8173    0.1455    0.4018

Aún mejor sería algo con algunas sutilezas de arte ASCII:

     |   FOO       BAR       BAZ       BUZZ      FUZZ
-----+-------------------------------------------------
ROW1 |   0.1622    0.4505    0.1067    0.4314    0.8530
ROW2 |   0.7943    0.0838    0.9619    0.9106    0.6221
ROW3 |   0.3112    0.2290    0.0046    0.1818    0.3510
ROW4 |   0.5285    0.9133    0.7749    0.2638    0.5132
ROW5 |   0.1656    0.1524    0.8173    0.1455    0.4018

Answer 1

Aquí hay un enfoque rápido y sucio:

horzcat({'''';''ROW1'';''ROW2'';''ROW3'';''ROW4'';''ROW5''}, ...
        vertcat({''FOO'',''BAR'',''BAZ'',''BUZZ'',''FUZZ''},...
                num2cell(rand(5))))

flexible:

ans = 

    ''''        ''FOO''       ''BAR''       ''BAZ''       ''BUZZ''      ''FUZZ''  
    ''ROW1''    [0.3015]    [0.6665]    [0.0326]    [0.3689]    [0.6448]
    ''ROW2''    [0.7011]    [0.1781]    [0.5612]    [0.4607]    [0.3763]
    ''ROW3''    [0.6663]    [0.1280]    [0.8819]    [0.9816]    [0.1909]
    ''ROW4''    [0.5391]    [0.9991]    [0.6692]    [0.1564]    [0.4283]
    ''ROW5''    [0.6981]    [0.1711]    [0.1904]    [0.8555]    [0.4820]

Answer 2

He escrito algún código que podría ser útil: usa la función ''printmat'', pero cambia las entradas para que sean vectores de celda que contienen la columna y / o las etiquetas de fila. espero que sea útil.

function out = dispmat(M,row_labels,col_labels);
%% Matthew Oberhardt
% 02/08/2013
% intended to display a matrix along with row and column labels.
% % ex:
% M = rand(2,3);
% row_labels = {''a'';''b''};
% col_labels = {''c 1'',''c2 '',''c3''};
% % if there are no labels for rows or cols, put '''' as the input.
% row_labels = '''';

%% check that the row & col labels are the right sizes
[nrows,ncols] = size(M);

%% populate if either of the inputs is empty 
if isempty(row_labels)
    row_labels = cell(1,nrows);
    for n = 1:nrows
        row_labels{1,n} = ''|''; 
    end
end
if isempty(col_labels)
    col_labels = cell(1,ncols);
    for n = 1:ncols
        col_labels{1,n} = ''-'';
    end
end

assert(length(row_labels)==nrows,''wrong # of row labels'');
assert(length(col_labels)==ncols,''wrong # of col labels'');

row_labels = reshape(row_labels,1,length(row_labels));
col_labels = reshape(col_labels,1,length(col_labels));

%% remove spaces (since they are separators in printmat.m
cols = strrep(col_labels, '' '', ''_'');
rows = strrep(row_labels, '' '', ''_'');

%% create labels, space delimited
c_out = [];
for n = 1:length(cols)
    c_out = [c_out,cols{n},'' ''];
end
c_out = c_out(1:end-1);

r_out = [];
for n = 1:length(rows)
    r_out = [r_out,rows{n},'' ''];
end
r_out = r_out(1:end-1);

%% print
printmat(M, '''',r_out,c_out)

Answer 3

Matlab tiene una función llamada printmat en la caja de herramientas de Control Systems. Está en el directorio " ctrlobsolete ", por lo que podemos suponer que se considera "obsoleto", pero aún funciona.

El texto de ayuda es:

>> help printmat
 printmat Print matrix with labels.
    printmat(A,NAME,RLAB,CLAB) prints the matrix A with the row labels
    RLAB and column labels CLAB.  NAME is a string used to name the 
    matrix.  RLAB and CLAB are string variables that contain the row
    and column labels delimited by spaces.  For example, the string

        RLAB = ''alpha beta gamma'';

    defines ''alpha'' as the label for the first row, ''beta'' for the
    second row and ''gamma'' for the third row.  RLAB and CLAB must
    contain the same number of space delimited labels as there are 
    rows and columns respectively.

    printmat(A,NAME) prints the matrix A with numerical row and column
    labels.  printmat(A) prints the matrix A without a name.

    See also: printsys.

Ejemplo:

>> M = rand(5);
>> printmat(M, ''My Matrix'', ''ROW1 ROW2 ROW3 ROW4 ROW5'', ''FOO BAR BAZ BUZZ FUZZ'' )

My Matrix = 
                       FOO          BAR          BAZ         BUZZ         FUZZ
         ROW1      0.81472      0.09754      0.15761      0.14189      0.65574
         ROW2      0.90579      0.27850      0.97059      0.42176      0.03571
         ROW3      0.12699      0.54688      0.95717      0.91574      0.84913
         ROW4      0.91338      0.95751      0.48538      0.79221      0.93399
         ROW5      0.63236      0.96489      0.80028      0.95949      0.67874

Answer 4

Matthew Oberhardt, código útil, agregué el nombre a la matriz, aquí está el nuevo código tan simple que acaba de agregar una variable más Y también dejo un ejemplo para usarlo, observe que conv es una matriz mxn.

---------------CÓDIGO---------------

function out = dispmat(M,name,row_labels,col_labels);
%% Matthew Oberhardt 
% 02/08/2013
% intended to display a matrix along with row and column labels. 
%% ex:
% M = rand(2,3);
% row_labels = {''a'';''b''};
% col_labels = {''c 1'',''c2 '',''c3''};
% % if there are no labels for rows or cols, put '''' as the input.
% row_labels = '''';

%Modified 14.07.2014
%Nestor Cantu
%Added the name of the matrix.

%% check that the row & col labels are the right sizes
[nrows,ncols] = size(M);

%% populate if either of the inputs is empty 
if isempty(row_labels)
row_labels = cell(1,nrows);
    for n = 1:nrows
        row_labels{1,n} = ''|''; 
    end
end
if isempty(col_labels)
    col_labels = cell(1,ncols);
    for n = 1:ncols
        col_labels{1,n} = ''-'';
    end
end

assert(length(row_labels)==nrows,''wrong # of row labels'');
assert(length(col_labels)==ncols,''wrong # of col labels'');

row_labels = reshape(row_labels,1,length(row_labels));
col_labels = reshape(col_labels,1,length(col_labels));

%% remove spaces (since they are separators in printmat.m
cols = strrep(col_labels, '' '', ''_'');
rows = strrep(row_labels, '' '', ''_'');

%% create labels, space delimited
c_out = [];
for n = 1:length(cols)
    c_out = [c_out,cols{n},'' ''];
end
c_out = c_out(1:end-1);
r_out = [];
for n = 1:length(rows)
    r_out = [r_out,rows{n},'' ''];
end
r_out = r_out(1:end-1);

%% print

printmat(M,name,r_out,c_out)


end

---------- EJEMPLO con matriz conv (5,4) --------------

[m n] = size(conv);
for i=1:n
    col{i} = [''K = '' num2str(i)];
end

for i=1:m
    row{i} = [''n ='' num2str(i)];
end

outMat(conv,''Convergence'',row'',col);

--------------RESULTADO--------------------------

Convergence = 
                 K_=_1        K_=_2        K_=_3        K_=_4        K_=_5
     n_=1      0.74218      0.42070      0.11101 9.86259e-006 9.86259e-006
     n_=2      0.49672      0.26686      0.00233 4.46114e-011 4.46114e-011
     n_=3      0.01221      0.00488 1.23422e-007            0            0
     n_=4      0.00010 7.06889e-008 7.06889e-008            0            0

Answer 5

Parece que sus datos tienen cierta estructura, por lo que puede ponerlo en una clase más estructurada: un dataset , parte de la caja de herramientas Estadísticas.

>> M = rand(5);
>> dataset({M ''FOO'',''BAR'',''BAZ'',''BUZZ'',''FUZZ''}, ...
                ''obsnames'', {''ROW1'',''ROW2'',''ROW3'',''ROW4'',''ROW5''})

ans = 
            FOO        BAR         BAZ        BUZZ         FUZZ    
    ROW1    0.52853     0.68921    0.91334     0.078176     0.77491
    ROW2    0.16565     0.74815    0.15238      0.44268      0.8173
    ROW3    0.60198     0.45054    0.82582      0.10665     0.86869
    ROW4    0.26297    0.083821    0.53834       0.9619    0.084436
    ROW5    0.65408     0.22898    0.99613    0.0046342     0.39978

Alternativamente, si está publicando su salida, aquí hay un ejemplo de varias funciones que tomarán una matriz con la fila, los nombres col y producirán una tabla con formato html.

Answer 6

Sé que esta es una publicación anterior, pero creo que la solución es usar array2table . Específicamente en el caso del OP, uno simplemente haría:

>> M = rand(5);
>> names= {''A'',''B'',''C'',''D'',''E''}; 
>> array2table( M, ''VariableNames'', names, ''RowNames'', names )

ans = 

            A          B          C          D          E    
         _______    _______    _______    _______    ________

    A    0.81472    0.09754    0.15761    0.14189     0.65574
    B    0.90579     0.2785    0.97059    0.42176    0.035712
    C    0.12699    0.54688    0.95717    0.91574     0.84913
    D    0.91338    0.95751    0.48538    0.79221     0.93399
    E    0.63236    0.96489    0.80028    0.95949     0.67874